

# RequestMapper

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---

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```ts
import { RequestMapper } from "@hyper-fetch/core"
```

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## Description

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Defined in [request/request.types.ts:313](https://github.com/BetterTyped/hyper-fetch/blob/cc329b91/packages/core/src/request/request.types.ts#L313)

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## Preview

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```ts
type RequestMapper<Request,NewRequest> = (request: Request, requestId: string) => NewRequest | Promise<NewRequest>;
```

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## Structure

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```ts
(request: Request, requestId: string) => NewRequest | Promise<NewRequest>
```

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